package org.tron.program;

import com.beust.jcommander.JCommander;

import com.beust.jcommander.Parameter;

import java.io.File;

import java.util.ArrayList;

import java.util.List;

public class Args {

private final static Args INSTANCE = new Args();

@Parameter(names = {"-d", "--output-directory"}, description = "Directory")

private String outputDirectory = new String("");

@Parameter(names = {"-h", "--help"}, help = true, description = "Directory")

private boolean help = false;

@Parameter(description = "-seed-nodes")

private List<String> seedNodes = new ArrayList<>();

private Args() {

}

public static void setParam(String[] args) {

JCommander.newBuilder()

.addObject(INSTANCE)

.build()

.parse(args);

}

public static Args getInstance() {

return INSTANCE;

}

public String getOutputDirectory() {

if (outputDirectory != "" && !outputDirectory.endsWith(File.separator)) {

return outputDirectory + File.separator;

}

return outputDirectory;

}

public boolean isHelp() {

return help;

}

public List<String> getSeedNodes() {

return seedNodes;

}

}